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H I G H - P O W E R E D R E S E A R C
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March2011Issue…
1 VacuumCircuitBreaker ModelinPSCAD®/EMTDC™
4 SinglePhaseAuto-reclosingand SecondaryArcConsiderations
7 KineticTurbinePowerConverter
10 2010PSCAD®UserGroupMeeting
11 NewandImprovedPSCAD®Forum
12 PSCAD®2011TrainingSessionsMarch 2011
ThisapplicationnotepresentsaVacuumCircuitBreaker(VCB)modelanditsimplementationinPSCAD®/EMTDC™.Thismodelinvestigatestheabilityofthebreakeroncurrentchoppingbeforecurrentzero,itsdielectricwithstandforTRV(TransientRecoveryVoltage)andhighfrequencycurrentquenchingforre-ignitionacrossthebreakercontacts.
TheVCBismodelledbytheuseofthestandardPSCAD®singlephasebreakermodelwithitsabilitytochangeelectricalswitchingstatusbycontrollingthebreakerparameterBRK.
Tosimulatecurrentchoppingandre-ignition,asimplesinglephasetestcircuitisestablished.ThecircuitisrepresentingasinglephasetransformerwhichisswitchedoffbytheVCB.
Acircuitbreaker’sbreakingsequenceisactivatedbyopeningthebreakermechanically.Thisisaccomplishedbyanimpulsetrainthatfreezesattheinstantofthemechanicalopeningofthebreaker.Thisisthestartingpointforseparationofthecontacts.AgenerallyacceptedapproximationforcontactseparationinVCBsisconstantspeedduringthefirstmillimetreofseparation.
Anarcisdevelopedbetweenthecontactsandthecurrentcontinuestoflowuntilthepre-setchoppinglevelisreached.Thispre-setlevelishighlydependentofthecontactmaterialintheVCB.Whenthechop-pingtakesplace,BRKchangesstatusfromclosedtoopenandthecurrentisforcedtozero.Theenergypreloadedintheinductancesurroundingthebreakeristransferredtocapacitanceinthecircuit.
TheresponsefromthecircuitisaTRVthatincreasesbetweenthecontacts.Ifthemechanicalopeningtimetopenisclosetotchop,thecontactseparationwillbeonlyslightatthechoppinginstant.Hence,thevoltagewithstandwhichhasbeenbuiltupbetweenthecontactsisnothighenoughtoensurecurrentinterruption.WhentheTRVreachesthevoltagewithstandcharacteristics,are-ignitionoccursbetweentheVCBcontacts.
Whenthehighfrequencycurrentisclosetozero,theVCBhastheabilitytobreakthecurrent.Theslopeatcurrentzeroismeasuredandcomparedtothecurrentquenchingcapabilitythathasbeendevelopedbetweenthecontacts.Ifthecurrentslopeislessthantheseparticularcharacteristics,thecurrentisquenched.TheresultingTRVisveryfastrisingandreachestheelectricalwithstandcharacteristicsquickly.Asaresult,anewre-ignitiontakesplacebetweenthecontactsandahighfrequencycurrentstartstoflow.ThissequenceisrepeateduntiltheTRVdoesnotreachtheelectricalwithstandcharacteristics.
VacuumCircuitBreakerModelinPSCAD®/EMTDC™
Olof Karlén, Karlén Engineering
Figure1 ThetestcircuitfortheVCBinPSCAD®
2 P U L S E T H E M A N I T O B A H V D C R E S E A R C H C E N T R E J O U R N A L
DielectricandQuenchingCapabilityCalculationThewithstandvoltageisafunctionofthecontactdistance.Itcanbeconsideredtobelinearlydependentforthefirstmillimetreofthecontactseparation.Thatimpliesthatthiscapabilityisalsoafunctionofthespeedatcontactopening.Thedielectricwithstandcapabilityforonecircuitbreakermayvarywithanor-maldistributionandaparticularstandarddeviation.
Afterre-ignition,ahighfrequencycurrentflowsthroughthecircuitbreaker.Theresultingarccanbeextinguishedwhentheslopeofthecurrentislowerthanthesocalledcriticalcurrentslope,aparameterthatishardtodetermine.Inthismodel,thequenchingcapabilitydielectricstrengthasmeasuredbyGlinkowskietal[1]isused.
Thestatisticalmeanvaluesareusedinthiscircuitbreakermodel.Thetestedcircuitbreakerstestdataaregroupedintothreelevels:High,medium,andlowdielectricandquenchingability.
Basedontheconstants,themeanvaluesofthedielectriccharacteristicandquenchingcriticalslopecanbecalculatedby:
ThewithstandvoltageUbandthecriticalslopeofthearcquenchingcapabilitydi/dtarecalculatedinthissectionusing:Aa=1.7e7,Bb=3.4e3,Cc=-3.4e11,andDd=255e6.Ifthecircuitbreakerstatisticaldistributionistobestudied,detailsonthismatterareexplainedin[2].
TheVacuumBreakerProbabilityofReignitingTheVCBhasaprobabilityofreignitingwhencertainoperatingandcircuitparametersaremet[3].Theparametersare:Theinterruptedcurrentislessthan500to600A,thebreakercontactsmustpart0.5msto1msbeforecurrentzerowithaspeedof1m/s,andtheTRVmustrisefasterthanthebreakdownstrengthofthevacuumgap.
ConditionsforOpeningoftheSwitchandthePSCAD®Implementation Theconditionsforopen-ingtheswitchaccordingtoGlinkowskietal[1]are:•Theinstantofopeningshouldbegreaterthan apre-setvalueoftopen.•Theswitchisclosed.•Theactualcurrentislessthanthechoppingcurrent.•Thederivativeofthehighfrequencycurrent atcurrentzeroisnothigherthanthecalculated quenchingcapability.
Forcreatingtheseconditions,anumberofdifferentparametershadtobecalculatedinPSCAD®.ThemodelsintheCSMFpartoftheMasterLibrarycanbeusedforsuchcalculations.Somerepresentativecalculationblocksareshowninthefiguresbelow.
Figure2 Thetopenparameteristheinstantwhenthecircuitbreakermechanicalopeningtakesplace.Thepulsetrainisfrozenatt= topen.MechanicalopeningisinitiatedbytheMechanicalstatusswitch.
Ub / di / dt Aa[V/s] Bb[V] Cc [A/s2] Dd[A/s]
High 1.7E7 3.40E3 -3.40E11 255.0E6
Medium 1.30E7 0.69E3 0.32E12 155.0E6
Low 0.47E6 0.69E3 1.00E12 190.0E6
M A R C H 2 0 1 1 3
TypicalSimulationResultsThenumberofrepeatedreignitionsdependsonmanyfactors;themostimportantisarcingtime(i.e.thevoltagewithstandwhichhasbuiltupbetweenthecontactswhentheUtrvstartstooscillate).Italsodependsonthechoppinglevel(i.e.theenergythatistransferredfromtheinductancetothecapacitiveelementsandthebreakercharacteristics).
Formoredetailsaswellasforamorecompletereport,contacttheManitobaHVDCResearchCentreortheauthordirectlyatolof@karlenengineering.se
References
[1]MietekT.Glinkowski,MoisesR.Guiterrez,DieterBraun,
“VoltageEscalationandReignitionBehaviourofVacuum
GeneratorCircuitBreakerDuringLoadShedding.”
[2]PopovMarjan,PhD“ThesisSwitchingThree-PhaseDistribution
TransformerswithaVacuumCircuitBreaker”ISBN90-9016124-4.
[3]SladeG.P.“VacuumInterrupters:TheNewTechnologyfor
SwitchingandProtectingDistributionCircuits”
IEEETrans.OnPowerDelivery,Vol8,No4.
Figure3 Thetchopistheinstantofcurrentchopping.Thepulsetrainisfrozenatt= tchop.
Figure6 Typicalsimulationresults.Figure4 Thecurrentslopeibdiscomparedwiththecurrentquenchingcapabilitydi/dt.Whenthecurrentslopeislessthanthequenchingcapability,parameterctrl_ibd_slope=1else0.
Figure5 TheconditionsforopeningandclosingofthebreakerarerunthroughMonostableMultivibratorsandastandardSetandResetlatchingcircuit.TheBRKstatusparameterisnowreflectingtheelectricalstatusofthevacuumbreaker.
The Vacuum Circuit Breaker is an important circuit component in the medium voltage system due to its low maintenance cost and low environmental impact.
4 P U L S E T H E M A N I T O B A H V D C R E S E A R C H C E N T R E J O U R N A L
SinglePhasetoGround(SLG)isthemostcommonfaultinpowertransmissionsystems.Singlephaseautoreclosingisusedtoimprovesystemstability,powertransfer,reliability,andavailabilityofatransmissionlineduringasinglephasetogroundfault[1].
Soonafterthefault,thetwolineendbreakerswillopen(faultedphaseonlyinthiscase)toisolatethefault.However,theotherline(un-faultedphases)arestillenergized.Thereisinductiveandcapacitivecouplingbetweenthefaultedlineandthehealthyphases,aswellasbetweenotherconductorsofparallelcircuits(i.e.doublecircuitlines).Thiscouplinghastwoeffects[1]:1. Itfeedsandmaintainsthefaultarc.2.Asthearccurrentbecomeszero,thecoupling causesarecoveryvoltageacrossthearcpath. Iftherateofriseofrecoveryvoltageistoogreat, itwillreignitethearc.
Thearconthefaultedphaseafterthetwolineendbreakersopenisthesecondaryarc.Recoveryvoltageisthevoltageacrossthefaultpathaftertheextinctionofthesecondaryfaultarcandbeforere-closureofthecircuitbreakers.
Autore-closingwillbesuccessfulonlyifthesecondaryarchasbeenfullyextinguishedbythetimethebreakersarere-closed.Thedurationofthesecondaryarcdependsonmanyfactors.Themainfactorsare:arccurrent,recoveryvoltage,arclength,aswellasexternalfactors,suchaswind.Whentransmissionlinesarecompensatedwithlineendreactors,thesecondaryarcextinctioncanbeimprovedbyplacingasuitablysizedneutralgroundingreactor(NGR)ontheneutralofthelinereactors[1]-[3].
DAREngineeringhasdesignedanumberofNGR’sforEHVtransmissionlinesintheGulfregion.OncetheNGRparametersaredetermined,detailedelec-tromagnetictransientsimulationsarecarriedoutonPSCAD®/EMTDC™toverifytheinsulationrequirementsoftheNGRandtoestimatethesecondaryarcextinctiontimesunderdifferentsystemoperatingconditions.Suchinformationisessentialtoproperlydesignthesinglephaseautore-closerelaysettings.
TheLineEndandNeutralGroundingReactors(NGR)inEHVTransmissionLines TheNGRisusedtocancelthecapacitivecomponentofthesecond-aryarccurrent[1].Inordertocancelthecapacitivecurrent,theinductiveandcapacitivebranchesmustresonate.Installationofthisreactoriseffectivewhenlinesaretransposed.
Estimation of NGR based on the ‘Shunt Compensation Degree’ TheNGRvaluecanbeestimatedbasedonthefollowingdesignequations(see[2]fordetails):
Where:B1:positivesequencelinesusceptance(Siemens);B0:zerosequencelinesusceptance(Siemens);
:shuntcompensationdegree.
Xr:equivalentreactanceofthelinereactor.Xn:equivalentreactanceoftheNGRNote1:B1andB0areknownfromtransmissionlinecharacteristicsandareoutputsfromthePSCADlineconstantsprogram.
Estimation of NGR based on the Basic Insulation Level (BIL) requirements BILisalsoaconsiderationwhenselectingtheNGR.BecausethehigherneutralBILlevelrequiresspecialdesignandmoreinsulationforthelinereactor,thecostofthelinereactorandneutralreactorincreases.IfthisistheNGRdesigncriteria,theminimumacceptableBILfortheneutralpointcanbecalculatedby[4]:
Where:BIL_N:BasicImpulseInsulationLevelfortheNGR.BIL_Ph:BasicImpulseInsulationLevelofthephase.Fora400kVsystem,theBILoftheneutralpointofthelinereactortypicallyislessthan350kV.
SinglePhaseAuto-reclosingandSecondaryArcConsiderationsJohnson Thomai, Yogesh Khanna, Shahbaz Tufail (DAR Engineering Company)Shan Jiang, Dharshana Muthumuni (Manitoba HVDC Research Centre)
N O V E M B E R 2 0 0 9 5M A R C H 2 0 1 1 5
OncethevalueoftheNGRisdecided(basedoneitherofthetwomethodsabove),detailedsimulations(PSCAD®/EMTDC™)canbecarriedouttodeterminethesecondaryarccharacteristics.
TheSimulationModel Thesecondaryarcextinctiontimeandtherecoveryvoltagesareinfluencedbythefollowingfactors:•Faultlocationsonline•Numberofreactors(andNGR)inservice•‘Initial’arclength•Transmissionlinecharacteristicsandtransposing
Arc Model ThearcmodelusedinthisPSCAD®/EMTDC™studyisbasedonthemodelproposedin[5].Thefollowingparametersthatinfluencethearcextinctiontimeareinputstothismathematicalmodel.•Initialarclength(Larc)•Magnitudeoftheprimaryarc(Ip)•Magnitudeofthesecondaryarc(Is)
Initial Arc Length (Larc) Theinitialarclengthinfluencesthesecondaryarcextinctiontime.Astimeprogresses,thearcelongatesfromthisinitiallengthuntilitisfinallyextinguished.Sincetheexactvalueoftheinitialarclengthisnotapreciselyknownquantity,simulationsmayhavetobecarriedoutfordifferentpracticalvalues(i.e.2m,4mand6m)beforereachingconclusionsonrelaysettings.
Magnitude of the Primary Arc (Ip) Thisisthemagnitudeofthefundamentalcomponentofthesinglelinetogroundfaultcurrentataspecificfaultlocation.ThisvaluecanbecalculatedfromfaultstudiesorthroughaPSCAD®simulationitself.TocalculatethisvaluefromthePSCAD®circuit,thefaultisassumedtobesolidwithzeroarcresistance.
Magnitude of the Secondary Arc (Is) Thisisthemagnitudeofthefundamentalcomponentofthesinglelinetogroundfaultcurrentataspecificfaultlocationafteropeningthetwolineendbreakers.ThisvaluecanbecalculatedfromfaultstudiesorthroughaPSCAD®simulationitself.TocalculatethisvaluefromthePSCAD®circuit,thefaultisassumedtobesolidwithzeroarcresistance.Oncethetwobreakersareopen,thephasecouplingsustainsthefaultcurrent.
Figure1 PSCAD®arcmodel
Figure2 PSCAD®circuitofatransposedlinewiththearcmodelconnectedtooneofthephases.
J U N E 2 0 0 8 66 P U L S E T H E M A N I T O B A H V D C R E S E A R C H C E N T R E J O U R N A L
SimulationResults Theextinctiontimeandtherecoveryvoltageundervarioussystemoperatingconditionsforfaultsona400kV/350km(approxi-mately)doublecircuitlinearepresentedinthissectiontoillustratetypicalresultsthatcanbeexpected.
References
[1]E.W.Kimbark,“SuppressionofGround-FaultArcsonSingle-Pole
SwitchedEHVLinesbyShuntReactors,”IEEETransactionsonPower
ApparatusandSystems,volPAS-83,pp.285-290,March/April1964.
[2]E.W.Kimbark,“Selective-PoleSwitchingofLongDouble-Circuit
EHVLines,”IEEETransactionsonPowerApparatusandSystems,
volPAS-95,pp.1,January/February,1976.
[3]IEEECommitteereport,“SinglePhaseTrippingandAuto-Reclosing
onTransmissionLines,”IEEETransactionsonPowerDelivery,vol7,
pp182-192,Jan,1992.
[4]M.R.D.Zadeh,MajidSanaye-Pasand,AliKadivar,“Investigation
ofNeutralReactorPerformanceinReducingSecondaryArcCurrent,k”
IEEETransactionsonPowerDelivery,vol.23,no.4,Oct2008.
[5]“ImprovedTechniquesforModellingFaultArcsonFaultedEHV
TransmissionSystems,”A.T.Johnset.el.IEEProceedings,Generation,
Transmissionand,Distribution,Vol.141,No.2,March1994.
Figure4 Typicalrecoveryvoltage(top)andsecondaryarccurrent(bottom)withthelinereactorandtheNGRinservice.
Figure5 Typicalrecoveryvoltage(top)andsecondaryarccurrent(bottom)withoutthelinereactorandNGR
Table1 Arcextinctiontimeandrecoveryvoltageatdifferentfaultlocationsunderdifferentassumedinitialarclengthvalues.
Figure3 Systemoperatingwithallreactorsatthelineendsubstations.
Faultoccurs Breakersopen Arcextinguishes
RecoveryVoltage
Firstpeakoftherecoveryvoltage
Faultoccurs Breakersopen Arcextinguishes
RecoveryVoltage
Firstpeakoftherecoveryvoltage
FaultLocation BusA Mid-point
Magnitudeoftheprimaryarc(lp)(kA) 15.2 5.2
Magnitudeofthesecondaryarc(ls)(A) 45 37
Extinctiontime(s)
Larc=2.0m 0.17 0.14
Larc=4.0m 0.14 0.12
Larc=6.0m 0.12 0.12
Recoveryvoltage(kV)
Larc=2.0m 46 36
Larc=4.0m 45 30
Larc=6.0m 63 33
M A R C H 2 0 1 1 7
KineticHydropowerisoneoftheemergingtechnologiesinthealternate-energypowergenerationsector. KineticHydropowerplantsemploysubmergedturbine-generatorsetstoconverttheenergyofflowingwaterintoelectricity.Theproducedpoweristhenusedtosupplyislandedloadsorisinjectedintothegridwhereautilitynetworkisnearby.
KineticTurbinescanbedeployedintidalflowsorinhigh-velocityrivers.Inriverapplications,aKineticTurbineissubmergedandanchoredatsuitablelocationsalongriverswherenaturallandtopographyrestrictstheflow,resultinginhighlocalvelocities.TheinitialinstallationcostanddeploymenttimeofaKineticTurbineisrelativelysmall,sinceitdoesnotrequiresignificantinfrastructure,suchasadamorapowerhouse.Therefore,suchsetupscanberelativelyinexpensiveandareexpectedtohaveminimalenvironmentalfootprint.
Harnessingoftheenergyinwatercurrentsissimilartoconvertingthewindenergyintoelectricity.Incontrasttowind,however,waterflowvariationsaresteadierandmorepredictable.Moreover,thedensityofwaterisover800timeslargerthanthatofair.Thiseffectsavastdifferencebetweenpowerdensitiesofflowingwaterandwind.Forinstance,thepowerdensityofwaterflowingat4m/s,anupperrangeforrapidwatercurrents,correspondstothatofahurricane.
Inordertostudythefeasibilityandcost-effectivenessoftheKineticHydrotechnologyinCanadianrivers,aKineticTurbineresearchplatformhasbeendesignedandconstructedwithamaximumratedpowerof60kW.ThisprojectissponsoredbyManitobaHydroandinvolvesresearchersfromNSERCResearchChairsinAlternateEnergyandPowerSystemsSimulationattheUniversityofManitoba.ManitobaHVDCResearchCentrehasbeenakeypartnerinthisinitiative.
KineticTurbinePowerConverterFarid Mosallat, Manitoba HVDC Research Centre
Theturbine-generatorismountedonapontoonboattoprovideaccessibilityoverthecourseofthestudy(Figure1).Inthefinaldesign,thefloatingplatformisnotrequired.Theturbine-generatorcanbesubmergedandanchoredwithvirtuallynovisualfootprint.
CompactandlightweightgeneratorsaredesirableinriverKineticTurbinestoavoidcomplicationsinthesupportingstructuredesignandinstallation.Significantsizeandweightsavingscanbeachievedusingageneratorwithhighernominalfrequencysuchas250Hz–600Hz.A3-phasehigh-frequencypermanent-magnetsynchronousgenerator(PMSG)wasselectedforthisplatform.Atnormalwatervelocitiesof2m/s–3m/s,thePMSGproducesvoltagesintherangeof230V–560V,250Hz–600Hz.
Thegeneratoroutputistransmittedtotheshoreoveracablelink.InaKineticTurbineapplication,thegeneratoroutputfluctuatesduetouncontrollablevariationsoftheflow.Powerelectronicconvertersarecommonlyusedtointerfacethegeneratorandtheloadsystemandsupplytheloadwithregulatedvoltageandfrequency.TheelectronicpowerinterfaceforthisprojectwasdesignedandconstructedatthepowerelectronicslaboratoryoftheManitobaHVDCResearchCentre.Itconsistsoftwoback-to-backvoltage-sourcedconverters(VSCs)andtheassociatedfilters,switchgear,protectionandcontrolsystem(Figure2).
Figure1 SchematicdiagramoftheKineticTurbineplatform
8 P U L S E T H E M A N I T O B A H V D C R E S E A R C H C E N T R E J O U R N A L8 P U L S E T H E M A N I T O B A H V D C R E S E A R C H C E N T R E J O U R N A L
Thegenerator-sideconverterrectifiesthegeneratoroutputandprovidesaregulateddcvoltage.Theload-sideconverterthentransformsthedcvoltageintoacandsuppliestheloadsystemwithacontrolledvoltageat600Vand60Hz.PSCAD®/EMTDC™wasusedinthedesignstagetovalidatethecomponentratingsandthecontrolstrategyperformance(Figure3).
Thepowerconvertersarebasedonthepowerelectronicsbuildingblocks(PEBB)concept.Thistechnologyallowsfortherapidimplementationofdifferenttopologiesandcontrolschemes.TheVSCconvertersarePM1000PowerModule®seriesfromAmericanSuperconductor™.Theyareratedat175kVA,660Vac,1200Vdc.
Figures4(a)and(b)showaschematicdiagramofthecontrolsystemstructureandtheHMIscreen,respectively.Thehuman-machineinterface(HMI)andthedigitalcontrolsystemwereimplementedusingLabVIEW™andLabVIEW™Real-TimefromNationalInstruments™.
Figure2 TheKineticTurbinepowerconverterconstructedattheManitobaHVDCResearchCentre.
Figure4(a) Schematicdiagramofthecontrolsystem
Figure3 ThePSCAD®modelimplementedfordesigningtheKineticTurbinePowerConverter.
M A R C H 2 0 1 1 9
Theunitiscapableofsupplyingstandaloneloadswithfixedvoltageandfrequency,orinjectingthepowertotheutilitysystem.Inthedesignoftheunit,appropriatecontrolandprotectionmeasuresweretakenandManitobaHydro’sregulationsfordistrib-utedgenerationinterconnectionwereobserved.
TheKineticTurbineresearchplatformhasbeeninstalledontheWinnipegRiveratPointeduBoisinManitoba,Canada.Thecommissioningandperform-ancetestswillbecompletedinthefallof2011.
KineticTurbinesseempromisingformanyremotecommunitiesinthevicinityofhigh-velocityrivers,whichdonothaveaccesstothegridandarecurrentlypoweredbyfossil-fuel-drivengenerators.ThisaspectoftheKineticHydropowerapplicationsisthemainfocusofthisongoingresearchinitiative.TheresultsobtainedfromfieldoperationandexperimentswillhelpevaluatetheuseofKineticTurbinesinrivers,withaviewtothecommercializationofthistechnol-ogyasagreensourceforelectricpowergenerationforremotecommunitiesinCanadaandworldwide.
Kinetic Turbines seem promising for many remote communities in the vicinity of high-velocity rivers, which do not have access to the grid and are currently powered by fossil-fuel-driven generators.
Figure4(b) Userinterfacescreen
1 0 P U L S E T H E M A N I T O B A H V D C R E S E A R C H C E N T R E J O U R N A L
TheManitobaHVDCResearchCentre,incollabo-rationwithCedratS.AofFrance,andINDIELECofSpain,wouldliketothankparticipantswhoattendedthePSCAD®EuropeanUsersGroupMeetingheldinCastelldefels,SpainonJune15&16,2010attheGranHotelReyDonJaime.
NewandexistingusersofPSCAD®participatedintwo(2)daysofmeetingsandtutorialscomprisedofpresentationsbyguestspeakersandavarietyofPSCAD®users’presentationsonawiderangeofpracticalapplicationsofPSCAD®frombothacommercialandacademicperspective.TheagendaalsoincludedpresentationsanddiscussionswiththePSCAD®developmentandsupportteam.
Wewereprivilegedtohavedistinguishedguestspeakers,Dr.HermannDommel,oftheUniversityofBritishColumbia,andGarthIrwinofElectranixCorporation,providinginsightintotransientsandtheiruse,historyandcurrentapplications.IfyouareinterestedinmoreinformationaboutthepresentationsanddiscussionattheEUGM,visitwww.pscad.com/[email protected]
Duetotheoverwhelminglypositivefeedbackandsupportfromattendees…wearedoingitagain.Lookformoreinformationaboutthe2011UserGroupMeetingtobeheldinBarcelona,Spain,November2011.Moreinformationtocome!Ifyouareinterestedinparticipatingasapresenter,[email protected] WelookforwardtoseeingyouthisfallinSpain!
Manitoba HVDC Research Centre
2010PSCAD®UserGroupMeeting 15&16June2010,Spain(inset photo from UBC files: Dr. Hermann Dommel)
2010PSCAD®UserGroupMeeting
PUBLICATIONAGREEMENT#41197007RETURNUNDELIVERABLECANADIANADDRESSESTO
MANITOBAHVDCRESEARCHCENTRE211COMMERCEDRIVE
WINNIPEGMBR3P1A3CANADA
M A R C H 2 0 1 1 1 1
Kristen Benjamin, Manitoba HVDC Research Centre
NewandImprovedPSCAD®Forum
NewandImprovedPSCAD®Forum
Joinengineersandprofessionalsworldwide,andconnectwithusonournewPSCAD®Forum.
WearepleasedthatyoucantakeadvantageofourlongstandingPSCAD®forumwhichhasbeenenhancedandnowprovidesavarietyofexcitingfeatures.We’vereorganizedthecontentontheforumandbrokeneverythingdownintosevenmaincategories:Main,PSCAD®,ApplicationsofPSCAD®,PSCAD®ExampleDownloads,EMTDC™,LiveWireandEtran.Membersfromourpreviousdiscussionforumcanlogintoreactivatetheiraccount.AllofyourprofileinformationandpostshavebeensuccessfullytransferredtoournewPSCAD®[email protected].
Pleasevisitournewcommunitytodayat:http://forum.pscad.com
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ExpandingKnowledgeThefollowingcoursesareavailable,aswellascustom training courses–[email protected].
FundamentalsofPSCAD®andApplicationsIncludesdiscussionofACtransients,faultandprotection,transformersaturation,windenergy,FACTS,distributedgeneration,andpowerqualitywithpracticalexamples. Duration: 3 Days
AdvancedTopicsinPSCAD®SimulationTrainingIncludescustomcomponentdesign,analysisofspecificsimulationmodels,HVDC/FACTS,distributedgeneration,machines,powerquality,etc. Duration: 2–4 Days
HVDCTheory&ControlsFundamentalsofHVDCTechnologyandapplicationsincludingcontrols,modelingandadvancedtopics. Duration: 4–5 Days
ACSwitchingStudyApplicationsinPSCAD®Fundamentalsofswitchingtransients,modelingissuesofpowersystemequipment,straycapacitances/inductances,surgearresterenergyrequirements,batchmodeprocessingandrelevantstandards,directconversionofPSS/EfilestoPSCAD®. Duration: 2–3 Days
DistributedGeneration&PowerQualityIncludeswindenergysystemmodeling,integrationtothegrid,powerqualityissues,andotherDGmethodssuchassolarPV,smalldieselplants,fuelcells. Duration: 3 Days
LightningCoordination&FastFrontStudiesSubstationmodelingforafastfrontstudy,representingstationequipment,straycapacitances,relevantstandards,transmissiontowermodelforflash-overstudies,surgearresterrepresentationanddata. Duration: 2 Days
MachineModelingincludingSRRInvestigationandApplicationsTopicsincludemachineequations,exciters,governors,etc.,initializationofthemachineanditscontrolstoaspecificloadflow.AlsodiscussedaretypicalapplicationsandSSRstudieswithseriescompensatedlinesasthebasecase. Duration: 2 Days
ModelingandApplicationofFACTSDevicesFundamentalsofsolid-stateFACTSsystems.Systemmodeling,controlsystemmodeling,convertermodeling,andsystemimpactstudies. Duration: 2–3 Days
TransmissionLines&ApplicationsinPSCAD®
Modelingoftransmissionlinesintypicalpowersystemstudies.Historyandfundamentalsoftransmissionlinemodeling,discussiononmodels,suchasPhase,Modal,BergeronandPIintermsofaccuracy,typicalapplications,limitations,etc.,examplecasesanddiscussionontranspo-sition,standardconductors,treatmentsofgroundwire,cross-bondingofcables,etc. Duration: 3 Days
WindPowerModelingandSimulationusingPSCAD®
Includeswindmodels,aero-dynamicmodels,machines,softstartinganddoublyfedconnections,crowbarprotection,lowvoltageridethroughcapability. Duration: 3 Days
ConnectwithUs!May5–7,2011ChinaEPowerwww.epower-china.cnShanghaiNewInternationalExpoCenter,ChinaBooth #5E01
May22–26,2011WindPower2011Conference&Exhibitionwww.windpowerexpo.orgAnaheimConventionCenter,California,USABooth #555
June14–17,2011IPSThttp://ipst2011.tudelft.nlDelftUniversity,TheNetherlands
Moreeventsareplanned!Pleaseseewww.pscad.comformoreinformation.
PSCAD® Training Sessions
Hereareafewofthetrainingcoursescurrentlyscheduled.Additionalopportunitieswillbeaddedperiodically,sopleaseseewww.pscad.comformoreinformationaboutcourseavailability.
March1–3,2011FundamentalsofPSCAD®andApplications
May3–5,2011HVDCTheoryandControls
September20–22,2011FundamentalsofPSCAD®andApplications
September27–29,2011WindPowerModelingusingPSCAD®
November22–24,2011HVDCTheoryandControls
AlltrainingcoursesmentionedaboveareheldattheManitobaHVDCResearchCentreInc.Winnipeg,Manitoba,[email protected] www.pscad.com
PleasevisitNayakCorporation'swebsitewww.nayakcorp.comforcoursesintheUSA.
For more information on dates, contact [email protected] today!
IfyouhaveinterestingexperiencesandwouldliketosharewiththePSCAD®communityinfutureissuesofthePulse,[email protected]
